Peak Flow Meter
MaybeAn estimated 0.2% of orders come back. But the top 5 products take 85% of clicks, so Peak Flow Meter is a Maybe.
- Flapen Score
- 50 / 100Top 44% of 740 Business, Industry & Science niches · +1 vs the category median of 4950
- Market size
- £167K/yr54K searches / yr
- 90-day growth
- -21.9%search demand this quarter
- Competition
- 85%top-5 click share · 9 brands · 20 sellers
Flapen Score
Peak Flow Meter against its category
The dotted line is the Business, Industry & Science average. Past it, Peak Flow Meter is stronger. Inside it, weaker.
Market
The Peak Flow Meter market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Peak Flow Meter 54K times last year and spent an estimated £167K. The top 5 brands take 85% of clicks. Demand peaks in Jan. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
An estimated 14.1% of those searches ended in a purchase.
Shoppers searched for this 54K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 14.1% of those searches ended in a purchase. Searches in the last 90 days moved -21.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £167K a year.
- Searches, last 12 months
- 54K
- Growth, 90 days vs prior 90
- -21.9%
- Conversion, latest week
- 14.1%
- Market size, estimated
- £167Ka year
- Peak month
- January1.5× the quietest month
- Top search term
- peak flow meter for adults uk29K searches a year
02 · Price
A sale here is worth £22.00.
Listings sell for £22.00 on average, from £6.64 to £75.40. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 1,000 to 1,250 of them. At £22.00 that is £22K to £28K a year per listing.
- Average price
- £22.00inside the $15 to $100 sweet spot
- Price range
- £6.64–£75.40
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- £22K–£28K
- Returns
- 0.2%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
33% of listings pay for placement with sponsored ads. 78% ship with Prime. On an average day, 2.9% of listings are out of stock. The average listing ranks #1,703 within Professional Medical Supplies. It carries 280 reviews at 4.46 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 33%
- Prime listings
- 78%
- Out of stock, average day
- 2.9%
- Average rank
- #1,703in Professional Medical Supplies
- Average rating
- 4.46 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 280per listing
- Listings tracked
- 9
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 68 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 68 months
Products
Top Peak Flow Meter products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
KNOXZY Peak Flow Meter for Adult to Monitor Lung Function - Expiratory Flow Meter to Monitor Respiratory Condition - Spirometry Lung Function Recovery Training Device - Standard Range for Adult
- Price
- £8.37
- Rating
- 4.4/5
- Reviews
- 566
- Age
- 2y ago

Mini Wrights Standard Peak Flow Meter
- Price
- £8.69
- Rating
- 4.7/5
- Reviews
- 193
- Age
- 16y ago

Easy Peak Flow Meter for Adult to Monitor Lung Function Expiratory Flow Meter Color Coded Indicator Standard Range for Adult Lung Test Device Lung Capacity Tester (White)
- Price
- £10.57
- Rating
- 4.3/5
- Reviews
- 43
- Age
- 2y ago

VED Peak Flow Meter for Adults Standard Range Expiratory Flow Meter for Lung Function Monitoring Portable Spirometry Breathing & Respiratory Training Device
- Price
- £8.32
- Rating
- 4.2/5
- Reviews
- 22
- Age
- 7mo ago

Peak flow meter for adults uk with Bluetooth App Tracking Risk Indicator PEF & FEV1
- Price
- £75.40
- Rating
- 4.4/5
- Reviews
- 147
- Age
- 2y ago
Trending
estimated 90-day click momentum
Peak flow meter for adults uk with Bluetooth App Tracking Risk Indicator PEF & FEV1
- Price
- £75.40
- Rating
- 4.4/5
- Reviews
- 147
- Age
- 2y ago

VED Peak Flow Meter for Adults Standard Range Expiratory Flow Meter for Lung Function Monitoring Portable Spirometry Breathing & Respiratory Training Device
- Price
- £8.32
- Rating
- 4.2/5
- Reviews
- 22
- Age
- 7mo ago

Vitalograph 43602 Peak Flow Meter NHS (pack of 1)
- Price
- £10.50
- Rating
- 4.6/5
- Reviews
- 10
- Age
- 10y ago

AirZone Personal Peak Flow Meter (EU Scale)
- Price
- £9.27
- Rating
- 4.5/5
- Reviews
- 91
- Age
- 14y ago

Easy Peak Flow Meter for Adult to Monitor Lung Function | Expiratory Flow Meter | Color Coded Indicator | Standard Range for Adult | Include Instructions and Blank Charts Color Coded Indicators
- Price
- £6.64
- Rating
- 4.8/5
- Reviews
- 14
- Age
- 5y ago
Newest
by launch date
VED Peak Flow Meter for Adults Standard Range Expiratory Flow Meter for Lung Function Monitoring Portable Spirometry Breathing & Respiratory Training Device
- Price
- £8.32
- Rating
- 4.2/5
- Reviews
- 22
- Age
- 7mo ago

Peak flow meter for adults uk with Bluetooth App Tracking Risk Indicator PEF & FEV1
- Price
- £75.40
- Rating
- 4.4/5
- Reviews
- 147
- Age
- 2y ago

Easy Peak Flow Meter for Adult to Monitor Lung Function Expiratory Flow Meter Color Coded Indicator Standard Range for Adult Lung Test Device Lung Capacity Tester (White)
- Price
- £10.57
- Rating
- 4.3/5
- Reviews
- 43
- Age
- 2y ago

KNOXZY Peak Flow Meter for Adult to Monitor Lung Function - Expiratory Flow Meter to Monitor Respiratory Condition - Spirometry Lung Function Recovery Training Device - Standard Range for Adult
- Price
- £8.37
- Rating
- 4.4/5
- Reviews
- 566
- Age
- 2y ago

Easy Peak Flow Meter for Adult to Monitor Lung Function | Expiratory Flow Meter | Color Coded Indicator | Standard Range for Adult | Include Instructions and Blank Charts Color Coded Indicators
- Price
- £6.64
- Rating
- 4.8/5
- Reviews
- 14
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 85% of clicks. A locked shelf that new listings rarely crack.
Brands
9 rising
Sellers
20
Est. top-5 brand share
85%
Top 20: 100%
Est. top-5 click share
85%
Top 20: 100%
Open market
9%
- KNOXZY47%
- Mini Wrights15%
- YUANYUU9%
- VED7%
- Nascool7%
- Generic5%
- Open — no brand owns it (3 brands, 9%)
Demand
Peak Flow Meter search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan · busiest ÷ quietest = 1.5×
Search terms
Top Peak Flow Meter search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- peak flow meter for adults uk29K/yr
- peak flow meter21K/yr
- peak flow4K/yr
Reviews and returns
What reviews say buyers love and hate about Peak Flow Meter
We read the reviews and the return reasons for every product selling here.
“which makes it harder to rely on for consistent monitoring”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Peak Flow Meter questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









